Guide London Windowpane Check Suit Waistcoat in Grey / Navy. Constructed from a blend of cotton and wool for a distinctive consistency, the Windowpane Check Suit Waistcoat is ideal for sophisticated events. Its grey base is tastefully highlighted with blue in its check pattern, while the addition of blue/grey buttons and contrasting stitching give a hint of elegance.Wool-Cotton Blend5-Button FasteningAdjustable Back Fastening25% Wool 30% Cotton 30% PES 10% PC 5% AF Windowpane check suit waistcoat - grey/navy